On Fri Jul 28, 2023 at 8:18 PM UTC, Daniil Stas wrote: > On Fri, 28 Jul 2023 19:30:18 +0000 > "Jarkko Sakkinen" <jarkko@xxxxxxxxxx> wrote: > > > On Thu Jul 27, 2023 at 3:38 PM UTC, Daniil Stas wrote: > > > Hi, > > > I am still getting fTPM stutters with 6.4.3 kernel on Asus GA402RJ > > > laptop. > > > Compiling kernel without TPM support makes the stutters go away. > > > The fTPM firmware version is 0x3005700020005 on my machine. > > > > This is needs a bit more elaboration in order to be comprehended. > > > > Do you mean by "stutter" unexpected delays and when do they happen? > > > > BR, Jarkko > > Yes, unexpected delays. They just happen randomly. > You can google "AMD fTPM stuttering", there are a lot of examples. > Here is one: https://www.youtube.com/watch?v=TYnRL-x6DVI What if you make tpm_amd_is_rng_defective() to unconditonally return true? Does this make the problem dissappear, or not? BR, Jarkko
